Fermata Light Bundle - Includes Fermata Light (with Carry Case), (4) Rechargeable Batteries and Charger! STARTS BRIGHT, STAYS BRIGHT! Maintains initial brightness as batteries age High, Medium and Low Power Settings. Can run on two AA batteries in emergency Flexible gooseneck allows for fast and easy positioning Rechargeable battery pack is the BEST on the market! Low self discharge (great for when they are not in use), and can charge over 1,000 times! Get more light out of your Fermata! When using our PKCELL rechargeable batteries, one charged set will give you 5-6 ours of light on high! (About 2-3 more hours than when using disposable)